US3954794AExpiredUtility

Heterocyclic compounds

Assignee: ROURE BERTRAND DUPONT SAPriority: Mar 22, 1973Filed: Mar 18, 1974Granted: May 4, 1976

Est. expiryMar 22, 1993(expired)· nominal 20-yr term from priority

Inventors:Marcel Plattier Bernard Shimizu Paul Jose Teisseire

C11B 9/0092C07D 231/54C07C 49/403C07D 241/38C07D 295/033C07C 49/523C07C 45/00C07D 295/02C07C 45/562C07D 215/04

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Claims

Abstract

Novel compounds of the formulae I - IV are disclosed. The compounds are useful as odoriferous agents. Processes for the preparation of said compounds are also disclosed. ##SPC1## In said formulae R 1 and R 2 are hydrogen or an alkyl group having 1 to 5 carbons. R 3 is alkyl having 1 to 5 carbons.

Claims

exact text as granted — not AI-modified

We claim: 
     
       1. A compound of the formulae II or III ##SPC8## ##SPC9## wherein R 3  represents an alkyl group of from 1 to 5 carbon atoms.   
     
     
       2. A compound as claimed in claim 1, wherein R 3  represents methyl. 
     
     
       3. [4,3-c]Pinano-1-methyl-pyrazole. 
     
     
       4. [4,3-c]Pinano-2-methyl-pyrazole.

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